[arm-allstar] DMK URI Connection
Justin Reed
celltech161 at gmail.com
Sat Apr 8 20:03:17 EST 2017
I'm not using a pull-up on the GE Phoenix-S I'm using. It goes low active.
When connecting to a repeater controller port you need pull-up voltage. The 7330 has jumpers to select pull-up.
Regards,
Justin
"Real programmers use vi. That's why I use nano."
> On Apr 8, 2017, at 7:48 PM, Maurice Dake via arm-allstar <arm-allstar at hamvoip.org> wrote:
>
> Have a question to those that are using the DMK URI. Some where I read that you need to use pull up resistors on the PTT connection. My transceiver requires a connection to ground for PTT, so I am assuming that I need a pull up resistor between +5V line and PTT.
>
> Do I also need a pull up on the COS line? I will be using a data connector SQL line output which go +5V high with squelch open. Hope this makes sense to those that have built a interconnecting cable from URI to radio data port.
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